Finding the Fourth Proportional to 509,991.10, 763,237.05 and 468,000.70
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Solution
The fourth proportional to 509,991.10, 763,237.05 and 468,000.70 is: 700,395.50
Step by Step Solution
- Step 1: Write the proportion equation
509,991.10 : 763,237.05 = 468,000.70 : x - Step 2: Convert to fraction form
509,991.10/763,237.05 = 468,000.70/x - Step 3: Cross multiply
509,991.10x = 763,237.05 × 468,000.70 - Step 4: Simplify right side
509,991.10x = 357,195,473,665.94 - Step 5: Solve for x
x = 357,195,473,665.94/509,991.10 - Step 6: Final answer
x = 700,395.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.